This professional ring sizer set is an essential tool for jewelers, craftspeople, and anyone interested in accurate ring measurements. The set includes a durable black mandrel stick with clearly marked US ring size measurements and a flexible plastic gauge for precise sizing. The mandrel stick features easy-to-read size markings from 1-15, while the plastic gauge helps determine existing ring sizes quickly and accurately. The included ring sizer tool is made with sturdy black plastic and features a convenient coiled design that maintains its shape after repeated use. Perfect for both professional jewelry makers and hobbyists, this comprehensive set allows for confident ring sizing whether you're creating new pieces or resizing existing rings. The compact design makes it easy to store and transport, while the clear markings ensure consistent measurements every time.